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Test 63B - All TAILLAMPS Out

CAUTION: Always turn ignition off prior to disconnecting or connecting any
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION . For wiring diagram, see WIRING DIAGRAMS - 3.0L article in ENGINE PERFORMANCE. Perform TEST VER-1 after each repair.
  1. Reinstall fuse No. 10. Disconnect park lamp relay. See Figure. Check, clean and repair connections as needed. Using scan tool in voltmeter mode, check voltage on park lamp relay connector terminal "A" (Pink/Red wire). See Figure. If voltage is more than 10 volts, go to next step. If voltage is less than 10 volts, repair open in Pink/Red wire between park lamp relay connector and fuse No. 10. See Figure.
  2. Check voltage on park lamp relay connector terminal "B" (Pink/Red wire). If resistance is more than 10 volts, go to next step. If voltage is less than 10 volts, repair open in Pink/Red wire between park lamp relay connector and fuse No. 10.
  3. Using scan tool in ohmmeter mode, check resistance of park lamp relay connector terminal "C" (Pink/Dark Blue wire). If resistance is more than 5 ohms, go to step 6). If resistance is less than 5 ohms, go to next step.
  4. Connect a jumper wire between park lamp relay connector terminal "B" (Pink/Red wire) and terminal "D" (Black/Yellow wire). If taillamps illuminate, replace park lamp relay. If taillamps do not illuminate, go to next step.
  5. Leave jumper wire connected. Using scan tool in voltmeter mode. Disconnect lamp outage module 14-pin connector. Check voltage on lamp outage module 14-pin connector terminal No. 12 (Black/Yellow wire). If voltage is more than 10 volts, replace lamp outage module. If voltage is less than 10 volts, repair open Black/Yellow wire between park lamp relay connector and lamp outage module.
  6. Turn park lamps off. Ensure all doors are closed. Disconnect left pod switch connector. See Figure. Check, clean and repair connections as needed. Using scan tool in ohmmeter mode, check resistance of left pod switch connector terminal No. 13 (Black/Orange wire). If resistance is more than 5 ohms, repair open Black/Orange wire between left pod switch connector and ground. If resistance is less than 5 ohms, go to next step.
  7. Using an external ohmmeter, test resistance between left pod switch terminal No. 5 (Pink/Dark Blue wire) and park lamp relay connector terminal "C" (Pink/Dark Blue wire). If resistance is less than 5 ohms, replace park lamp switch, located in left pod switch. If resistance is more than 5 ohms, repair open Pink/Dark Blue wire between park lamp switch left pod switch connector and park lamp relay connector.
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